linux-kernel - [PATCH 07/10] block: mspro_blk: use blk_is_valid_logical_block

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Date:   Tue, 21 Jul 2020 13:52:36 +0300
From:   Maxim Levitsky <mlevitsk@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     Keith Busch <kbusch@...nel.org>,
        Josef Bacik <josef@...icpanda.com>,
        linux-block@...r.kernel.org (open list:BLOCK LAYER),
        Sagi Grimberg <sagi@...mberg.me>, Jens Axboe <axboe@...nel.dk>,
        linux-nvme@...ts.infradead.org (open list:NVM EXPRESS DRIVER),
        linux-scsi@...r.kernel.org (open list:SCSI CDROM DRIVER),
        Tejun Heo <tj@...nel.org>,
        Bart Van Assche <bvanassche@....org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Damien Le Moal <damien.lemoal@....com>,
        Jason Wang <jasowang@...hat.com>,
        Maxim Levitsky <maximlevitsky@...il.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Colin Ian King <colin.king@...onical.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Ajay Joshi <ajay.joshi@....com>,
        Ming Lei <ming.lei@...hat.com>,
        linux-mmc@...r.kernel.org (open list:SONY MEMORYSTICK SUBSYSTEM),
        Christoph Hellwig <hch@....de>,
        Satya Tangirala <satyat@...gle.com>,
        nbd@...er.debian.org (open list:NETWORK BLOCK DEVICE (NBD)),
        Hou Tao <houtao1@...wei.com>, Jens Axboe <axboe@...com>,
        virtualization@...ts.linux-foundation.org (open list:VIRTIO CORE AND
        NET DRIVERS), "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Alex Dubov <oakad@...oo.com>,
        Maxim Levitsky <mlevitsk@...hat.com>
Subject: [PATCH 07/10] block: mspro_blk: use blk_is_valid_logical_block_size

Signed-off-by: Maxim Levitsky <mlevitsk@...hat.com>
---
 drivers/memstick/core/mspro_block.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index cd6b8d4f23350..86c9eb0aef512 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -1199,6 +1199,12 @@ static int mspro_block_init_disk(struct memstick_dev *card)
 
 	msb->page_size = be16_to_cpu(sys_info->unit_size);
 
+	if (!(blk_is_valid_logical_block_size(msb->page_size))) {
+		dev_warn(&card->dev,
+			 "unsupported block size %d", msb->page_size);
+		return -EINVAL;
+	}
+
 	mutex_lock(&mspro_block_disk_lock);
 	disk_id = idr_alloc(&mspro_block_disk_idr, card, 0, 256, GFP_KERNEL);
 	mutex_unlock(&mspro_block_disk_lock);
-- 
2.26.2